import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  double size = 600;
  @override
  Widget build(BuildContext context) {
    return Center(
      child: ConstrainedBox(
        constraints: BoxConstraints(
          minWidth: size,
          maxHeight: size,
          minHeight: size,
          maxWidth: size,
        ),
        child: GridView.builder(
            gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
              crossAxisCount: 10,
              childAspectRatio: 1,
              mainAxisSpacing: 10,
              crossAxisSpacing: 10,
            ),
            itemCount: 100,
            itemBuilder: (_, __) {
              return Container(
                color: Colors.blue,
              );
            }),
      ),
    );
  }
}
